Hi Im in NW Suburbs of Chicago Im looking for a good fertilzer and weed program . I have 25 or so of my 60 residental accounts that I fertilze. Ive been using Shaws Weed and Feed and Spring Valley. Im not really happy with their products. Im looking at Lebonan or possibly the new Duration that is out. Does anyone have any input? I Buy from Town and Country or Russeo now.